Home / Standards / GB/T 15340-2025 GB/T 15340-2025 Active Rubber, raw natural and raw synthetic—Sampling and further preparative procedures 天然、合成生胶 取样及其制样方法 Standard Type GBT ICS 83.060 CCS G40 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A